Waste Water Engineering The sewer pipes Carry sewage as gravity conduits All listed here Should resist the wear and tear caused due to abrasion Are designed for generating self-cleansing velocities at different discharge Carry sewage as gravity conduits All listed here Should resist the wear and tear caused due to abrasion Are designed for generating self-cleansing velocities at different discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is 1 in 120 None of these 1 in 100 1 in 60 1 in 120 None of these 1 in 100 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A drop manhole is provided if A lamp is inserted to check obstruction A branch sewer joins the main sewer at higher level None of these A sewer drops from a height A lamp is inserted to check obstruction A branch sewer joins the main sewer at higher level None of these A sewer drops from a height ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage is generally Highly decomposed A source of objectionable odour Alkaline Acidic Highly decomposed A source of objectionable odour Alkaline Acidic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge tank, the gas mainly produced, is Nitrogen Hydrogen Oxygen Carbon dioxide Nitrogen Hydrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 300 mg/l 400 mg/l 200 mg/l 100 mg/l 300 mg/l 400 mg/l 200 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP